This article is all about Router security.Here in this lab we will discuss about console password,auxiliary password,enable password,enable secret password,telnet password with telnet configuration,username with clear text password,username with encrypted password,service password-encryption on router.

So to demonstrate all above security on router I am going to use cisco packet Tracer software.This is one of important portion for ccna certification students and also important with networking point of view because it is directly related with router security and as we all know Routers are the backbone of every IT company.

First thing i will do is Draw a topology diagram using packet Tracer and then show every security one by one.

So as you can easily see in above topology that I have taken two routers and configured default routing.

Now one by one I am going to implement all security policy on these Routers.

How to create username with encrypted password on cisco router.

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To add to password security flaws (service password-encryption is definitely your best friend), did you know you can see VTPv2 passwords with the commands “show vtp password” in plain text and even more info (including PW) in “more:vlan.dat” file output.